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Thoroughbred Diesel has been your online performance headquarters since 2002. We know how to get the most performance out of your pickup truck and offer all of today's most popular diesel performance products.

Advanced FLOW engineering (aFe) is a manufacturer of high performance cold air intake systems, high flow or stock air filters, fluid filters, intake manifolds turbochargers, programmers, differential covers, oil pans, and exhaust systems. aFe was founded in 1999 and is headquartered in Corona, California, USA, in two facilities totaling 160,000 sq ft (15,000 m2) including their 77,000 sq ft (7,200 m2) headquarters and manufacturing facilities. An 87,000 sq ft (8,100 m2) warehouse and R&D facility was added in 2012. aFe products are dyno tested with their in-house DynoJet, and their airflow products are also flow bench tested, for performance you can count on. The aFe product line includes over 3,000 product applications, which are meticulously tested and manufactured in Corona, California.

Did you know a diesel engine requires 7X more air than a gas engine? The diesel engine is the hot set up in today's performance world, and many levels of performance are emerging from the mighty diesel engine - from extra power for towing, to all-out tire-smoking drag racing. Reaching those levels of diesel performance stats with increasing airflow. When diesel owners talk filtration and airflow they talk about aFe products.

Our proud customers are a passionate group of individuals that demand long life from their diesel engines. The start of that long life begins with healthy clean air. To keep dirt out and performance in, only one company can meet the tough standards demanded of our customers and their diesel engines, aFe.

Those standards are what makes aFe stronger, quicker and smarter. Every air filter, intake system, and all other products are engineered with the passion of enthusiasts, and a racer's heart. aFe builds these products to fit like original equipment, perform better than stock systems, filter for long life, and last like a diesel engine.

Diesel performance is in its infancy, and aFe is leading the way in diesel performance airflow and filtration. In the following months and years, diesel engines are only going to get better, faster, and smarter. Not only will we develop increased performance in diesel trucks and SUV's, but cars as well. Many diesel vehicles are poised to hit the market, ready to be tuned up with blistering power. aFe will be there making it all breathe better.